<?php
/************************************************************************
 * This file is part of EspoCRM.
 *
 * EspoCRM - Open Source CRM application.
 * Copyright (C) 2014-2021 Yurii Kuznietsov, Taras Machyshyn, Oleksii Avramenko
 * Website: https://www.espocrm.com
 *
 * EspoCRM is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * EspoCRM is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with EspoCRM. If not, see http://www.gnu.org/licenses/.
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU General Public License version 3.
 *
 * In accordance with Section 7(b) of the GNU General Public License version 3,
 * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
 ************************************************************************/

namespace Espo\Tools\FieldManager\Hooks;

use Espo\Core\{
    Di,
    Exceptions\Error,
};

class AutoincrementType implements Di\MetadataAware
{
    use Di\MetadataSetter;

    public function beforeSave($scope, $name, $defs, $options)
    {
        if (!isset($options['isNew']) || !$options['isNew']) {
            return;
        }

        $fields = $this->metadata->get(['entityDefs', $scope, 'fields']);

        foreach ($fields as $fieldName => $fieldDefs) {
            if ($fieldDefs['type'] == 'autoincrement') {
                throw new Error('The entity can have only one Auto-increment field.');
            }
        }
    }
}
